public class Test {
    public static void main(String[] args) throws CloneNotSupportedException {
        Person person1=new Person("张三",18);
        Person person2=(Person) person1.clone();
        System.out.println(person1.m.money);
        System.out.println(person2.m.money);
        System.out.println("========");
        //person1.m=200;
        person1.m.money=200;
        System.out.println(person1.m.money);
        System.out.println(person2.m.money);
    }
}
